* [including the GNU Public Licence.]
*/
/* ====================================================================
- * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* The Contribution is licensed pursuant to the OpenSSL open source
* license provided above.
*
- * In addition, Sun covenants to all licensees who provide a reciprocal
- * covenant with respect to their own patents if any, not to sue under
- * current and future patent claims necessarily infringed by the making,
- * using, practicing, selling, offering for sale and/or otherwise
- * disposing of the Contribution as delivered hereunder
- * (or portions thereof), provided that such covenant shall not apply:
- * 1) for code that a licensee deletes from the Contribution;
- * 2) separates from the Contribution; or
- * 3) for infringements caused by:
- * i) the modification of the Contribution or
- * ii) the combination of the Contribution with other software or
- * devices where such combination causes the infringement.
- *
* ECC cipher suite support in OpenSSL originally written by
* Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
+#include <openssl/crypto.h>
#include "ssl_locl.h"
#include "kssl_lcl.h"
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/md5.h>
-#include "cryptlib.h"
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
+#include <openssl/bn.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
-static SSL_METHOD *ssl3_get_client_method(int ver);
-static int ssl3_client_hello(SSL *s);
-static int ssl3_get_server_hello(SSL *s);
-static int ssl3_get_certificate_request(SSL *s);
+static const SSL_METHOD *ssl3_get_client_method(int ver);
static int ca_dn_cmp(const X509_NAME * const *a,const X509_NAME * const *b);
-static int ssl3_get_server_done(SSL *s);
-static int ssl3_send_client_verify(SSL *s);
-static int ssl3_send_client_certificate(SSL *s);
-static int ssl3_send_client_key_exchange(SSL *s);
-static int ssl3_get_key_exchange(SSL *s);
-static int ssl3_get_server_certificate(SSL *s);
-static int ssl3_check_cert_and_algorithm(SSL *s);
-
-#ifndef OPENSSL_NO_ECDH
-static int curve_id2nid(int curve_id);
-int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs);
-#endif
-static SSL_METHOD *ssl3_get_client_method(int ver)
+static const SSL_METHOD *ssl3_get_client_method(int ver)
{
if (ver == SSL3_VERSION)
return(SSLv3_client_method());
return(NULL);
}
-SSL_METHOD *SSLv3_client_method(void)
- {
- static int init=1;
- static SSL_METHOD SSLv3_client_data;
-
- if (init)
- {
- memcpy((char *)&SSLv3_client_data,(char *)sslv3_base_method(),
- sizeof(SSL_METHOD));
- SSLv3_client_data.ssl_connect=ssl3_connect;
- SSLv3_client_data.get_ssl_method=ssl3_get_client_method;
- init=0;
- }
- return(&SSLv3_client_data);
- }
+IMPLEMENT_ssl3_meth_func(SSLv3_client_method,
+ ssl_undefined_function,
+ ssl3_connect,
+ ssl3_get_client_method)
int ssl3_connect(SSL *s)
{
- BUF_MEM *buf;
- unsigned long Time=time(NULL),l;
- long num1;
+ BUF_MEM *buf=NULL;
+ unsigned long Time=(unsigned long)time(NULL);
void (*cb)(const SSL *ssl,int type,int val)=NULL;
int ret= -1;
- int new_state,state,skip=0;;
+ int new_state,state,skip=0;
RAND_add(&Time,sizeof(Time),0);
ERR_clear_error();
switch(s->state)
{
case SSL_ST_RENEGOTIATE:
- s->new_session=1;
+ s->renegotiate=1;
s->state=SSL_ST_CONNECT;
s->ctx->stats.sess_connect_renegotiate++;
/* break */
goto end;
}
s->init_buf=buf;
+ buf=NULL;
}
if (!ssl3_setup_buffers(s)) { ret= -1; goto end; }
case SSL3_ST_CR_SRVR_HELLO_A:
case SSL3_ST_CR_SRVR_HELLO_B:
ret=ssl3_get_server_hello(s);
+#ifndef OPENSSL_NO_SRP
+ if ((ret == 0) && (s->s3->warn_alert == SSL_AD_MISSING_SRP_USERNAME))
+ {
+ if (!SRP_have_to_put_srp_username(s))
+ {
+ SSLerr(SSL_F_SSL3_CONNECT,SSL_R_MISSING_SRP_USERNAME);
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_USER_CANCELLED);
+ goto end;
+ }
+ s->state=SSL3_ST_CW_CLNT_HELLO_A;
+ if (!ssl_init_wbio_buffer(s,0)) { ret= -1; goto end; }
+ break;
+ }
+#endif
if (ret <= 0) goto end;
+
if (s->hit)
s->state=SSL3_ST_CR_FINISHED_A;
else
case SSL3_ST_CR_CERT_A:
case SSL3_ST_CR_CERT_B:
+#ifndef OPENSSL_NO_TLSEXT
+ ret=ssl3_check_finished(s);
+ if (ret <= 0) goto end;
+ if (ret == 2)
+ {
+ s->hit = 1;
+ if (s->tlsext_ticket_expected)
+ s->state=SSL3_ST_CR_SESSION_TICKET_A;
+ else
+ s->state=SSL3_ST_CR_FINISHED_A;
+ s->init_num=0;
+ break;
+ }
+#endif
/* Check if it is anon DH/ECDH */
- if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
+ /* or PSK */
+ if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&
+ !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK))
{
ret=ssl3_get_server_certificate(s);
if (ret <= 0) goto end;
+#ifndef OPENSSL_NO_TLSEXT
+ if (s->tlsext_status_expected)
+ s->state=SSL3_ST_CR_CERT_STATUS_A;
+ else
+ s->state=SSL3_ST_CR_KEY_EXCH_A;
+ }
+ else
+ {
+ skip = 1;
+ s->state=SSL3_ST_CR_KEY_EXCH_A;
+ }
+#else
}
else
skip=1;
+
s->state=SSL3_ST_CR_KEY_EXCH_A;
+#endif
s->init_num=0;
break;
case SSL3_ST_CR_SRVR_DONE_B:
ret=ssl3_get_server_done(s);
if (ret <= 0) goto end;
+#ifndef OPENSSL_NO_SRP
+ if (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kSRP)
+ {
+ if ((ret = SRP_Calc_A_param(s))<=0)
+ {
+ SSLerr(SSL_F_SSL3_CONNECT,SSL_R_SRP_A_CALC);
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_INTERNAL_ERROR);
+ goto end;
+ }
+ }
+#endif
if (s->s3->tmp.cert_req)
s->state=SSL3_ST_CW_CERT_A;
else
case SSL3_ST_CW_KEY_EXCH_B:
ret=ssl3_send_client_key_exchange(s);
if (ret <= 0) goto end;
- l=s->s3->tmp.new_cipher->algorithms;
/* EAY EAY EAY need to check for DH fix cert
* sent back */
/* For TLS, cert_req is set to 2, so a cert chain
s->state=SSL3_ST_CW_CHANGE_A;
s->s3->change_cipher_spec=0;
}
+ if (s->s3->flags & TLS1_FLAGS_SKIP_CERT_VERIFY)
+ {
+ s->state=SSL3_ST_CW_CHANGE_A;
+ s->s3->change_cipher_spec=0;
+ }
s->init_num=0;
break;
ret=ssl3_send_change_cipher_spec(s,
SSL3_ST_CW_CHANGE_A,SSL3_ST_CW_CHANGE_B);
if (ret <= 0) goto end;
+
+#if defined(OPENSSL_NO_TLSEXT) || defined(OPENSSL_NO_NEXTPROTONEG)
s->state=SSL3_ST_CW_FINISHED_A;
+#else
+ if (s->next_proto_negotiated)
+ s->state=SSL3_ST_CW_NEXT_PROTO_A;
+ else
+ s->state=SSL3_ST_CW_FINISHED_A;
+#endif
s->init_num=0;
s->session->cipher=s->s3->tmp.new_cipher;
+#ifdef OPENSSL_NO_COMP
+ s->session->compress_meth=0;
+#else
if (s->s3->tmp.new_compression == NULL)
s->session->compress_meth=0;
else
s->session->compress_meth=
s->s3->tmp.new_compression->id;
+#endif
if (!s->method->ssl3_enc->setup_key_block(s))
{
ret= -1;
break;
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+ case SSL3_ST_CW_NEXT_PROTO_A:
+ case SSL3_ST_CW_NEXT_PROTO_B:
+ ret=ssl3_send_next_proto(s);
+ if (ret <= 0) goto end;
+ s->state=SSL3_ST_CW_FINISHED_A;
+ break;
+#endif
+
case SSL3_ST_CW_FINISHED_A:
case SSL3_ST_CW_FINISHED_B:
ret=ssl3_send_finished(s,
}
else
{
+#ifndef OPENSSL_NO_TLSEXT
+ /* Allow NewSessionTicket if ticket expected */
+ if (s->tlsext_ticket_expected)
+ s->s3->tmp.next_state=SSL3_ST_CR_SESSION_TICKET_A;
+ else
+#endif
+
s->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A;
}
s->init_num=0;
break;
+#ifndef OPENSSL_NO_TLSEXT
+ case SSL3_ST_CR_SESSION_TICKET_A:
+ case SSL3_ST_CR_SESSION_TICKET_B:
+ ret=ssl3_get_new_session_ticket(s);
+ if (ret <= 0) goto end;
+ s->state=SSL3_ST_CR_FINISHED_A;
+ s->init_num=0;
+ break;
+
+ case SSL3_ST_CR_CERT_STATUS_A:
+ case SSL3_ST_CR_CERT_STATUS_B:
+ ret=ssl3_get_cert_status(s);
+ if (ret <= 0) goto end;
+ s->state=SSL3_ST_CR_KEY_EXCH_A;
+ s->init_num=0;
+ break;
+#endif
+
case SSL3_ST_CR_FINISHED_A:
case SSL3_ST_CR_FINISHED_B:
break;
case SSL3_ST_CW_FLUSH:
- /* number of bytes to be flushed */
- num1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);
- if (num1 > 0)
+ s->rwstate=SSL_WRITING;
+ if (BIO_flush(s->wbio) <= 0)
{
- s->rwstate=SSL_WRITING;
- num1=BIO_flush(s->wbio);
- if (num1 <= 0) { ret= -1; goto end; }
- s->rwstate=SSL_NOTHING;
+ ret= -1;
+ goto end;
}
-
+ s->rwstate=SSL_NOTHING;
s->state=s->s3->tmp.next_state;
break;
/* else do it later in ssl3_write */
s->init_num=0;
+ s->renegotiate=0;
s->new_session=0;
ssl_update_cache(s,SSL_SESS_CACHE_CLIENT);
}
end:
s->in_handshake--;
+ if (buf != NULL)
+ BUF_MEM_free(buf);
if (cb != NULL)
cb(s,SSL_CB_CONNECT_EXIT,ret);
return(ret);
}
-static int ssl3_client_hello(SSL *s)
+int ssl3_client_hello(SSL *s)
{
unsigned char *buf;
unsigned char *p,*d;
- int i,j;
+ int i;
unsigned long Time,l;
+#ifndef OPENSSL_NO_COMP
+ int j;
SSL_COMP *comp;
+#endif
buf=(unsigned char *)s->init_buf->data;
if (s->state == SSL3_ST_CW_CLNT_HELLO_A)
{
- if ((s->session == NULL) ||
- (s->session->ssl_version != s->version) ||
- (s->session->not_resumable))
+ SSL_SESSION *sess = s->session;
+ if ((sess == NULL) ||
+ (sess->ssl_version != s->version) ||
+#ifdef OPENSSL_NO_TLSEXT
+ !sess->session_id_length ||
+#else
+ (!sess->session_id_length && !sess->tlsext_tick) ||
+#endif
+ (sess->not_resumable))
{
if (!ssl_get_new_session(s,0))
goto err;
/* else use the pre-loaded session */
p=s->s3->client_random;
- Time=time(NULL); /* Time */
+ Time=(unsigned long)time(NULL); /* Time */
l2n(Time,p);
- RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-sizeof(Time));
+ if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
+ goto err;
/* Do the message type and length last */
d=p= &(buf[4]);
*(p++)=i;
if (i != 0)
{
- if (i > sizeof s->session->session_id)
+ if (i > (int)sizeof(s->session->session_id))
{
SSLerr(SSL_F_SSL3_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
goto err;
}
/* Ciphers supported */
- i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]));
+ i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]),0);
if (i == 0)
{
SSLerr(SSL_F_SSL3_CLIENT_HELLO,SSL_R_NO_CIPHERS_AVAILABLE);
p+=i;
/* COMPRESSION */
- if (s->ctx->comp_methods == NULL)
+#ifdef OPENSSL_NO_COMP
+ *(p++)=1;
+#else
+
+ if ((s->options & SSL_OP_NO_COMPRESSION)
+ || !s->ctx->comp_methods)
j=0;
else
j=sk_SSL_COMP_num(s->ctx->comp_methods);
comp=sk_SSL_COMP_value(s->ctx->comp_methods,i);
*(p++)=comp->id;
}
+#endif
*(p++)=0; /* Add the NULL method */
+
+#ifndef OPENSSL_NO_TLSEXT
+ /* TLS extensions*/
+ if (ssl_prepare_clienthello_tlsext(s) <= 0)
+ {
+ SSLerr(SSL_F_SSL3_CLIENT_HELLO,SSL_R_CLIENTHELLO_TLSEXT);
+ goto err;
+ }
+ if ((p = ssl_add_clienthello_tlsext(s, p, buf+SSL3_RT_MAX_PLAIN_LENGTH)) == NULL)
+ {
+ SSLerr(SSL_F_SSL3_CLIENT_HELLO,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+#endif
l=(p-d);
d=buf;
return(-1);
}
-static int ssl3_get_server_hello(SSL *s)
+int ssl3_get_server_hello(SSL *s)
{
STACK_OF(SSL_CIPHER) *sk;
- SSL_CIPHER *c;
+ const SSL_CIPHER *c;
unsigned char *p,*d;
int i,al,ok;
unsigned int j;
long n;
+#ifndef OPENSSL_NO_COMP
SSL_COMP *comp;
+#endif
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_SRVR_HELLO_A,
SSL3_ST_CR_SRVR_HELLO_B,
- SSL3_MT_SERVER_HELLO,
- 300, /* ?? */
+ -1,
+ 20000, /* ?? */
&ok);
if (!ok) return((int)n);
+
+ if ( SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER)
+ {
+ if ( s->s3->tmp.message_type == DTLS1_MT_HELLO_VERIFY_REQUEST)
+ {
+ if ( s->d1->send_cookie == 0)
+ {
+ s->s3->tmp.reuse_message = 1;
+ return 1;
+ }
+ else /* already sent a cookie */
+ {
+ al=SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_BAD_MESSAGE_TYPE);
+ goto f_err;
+ }
+ }
+ }
+
+ if ( s->s3->tmp.message_type != SSL3_MT_SERVER_HELLO)
+ {
+ al=SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_BAD_MESSAGE_TYPE);
+ goto f_err;
+ }
+
d=p=(unsigned char *)s->init_msg;
if ((p[0] != (s->version>>8)) || (p[1] != (s->version&0xff)))
SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SSL3_SESSION_ID_TOO_LONG);
goto f_err;
}
+
+#ifndef OPENSSL_NO_TLSEXT
+ /* check if we want to resume the session based on external pre-shared secret */
+ if (s->version >= TLS1_VERSION && s->tls_session_secret_cb)
+ {
+ SSL_CIPHER *pref_cipher=NULL;
+ s->session->master_key_length=sizeof(s->session->master_key);
+ if (s->tls_session_secret_cb(s, s->session->master_key,
+ &s->session->master_key_length,
+ NULL, &pref_cipher,
+ s->tls_session_secret_cb_arg))
+ {
+ s->session->cipher = pref_cipher ?
+ pref_cipher : ssl_get_cipher_by_char(s, p+j);
+ }
+ }
+#endif /* OPENSSL_NO_TLSEXT */
+
if (j != 0 && j == s->session->session_id_length
&& memcmp(p,s->session->session_id,j) == 0)
{
goto f_err;
}
- if (s->hit && (s->session->cipher != c))
+ /* Depending on the session caching (internal/external), the cipher
+ and/or cipher_id values may not be set. Make sure that
+ cipher_id is set and use it for comparison. */
+ if (s->session->cipher)
+ s->session->cipher_id = s->session->cipher->id;
+ if (s->hit && (s->session->cipher_id != c->id))
{
+/* Workaround is now obsolete */
+#if 0
if (!(s->options &
SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG))
+#endif
{
al=SSL_AD_ILLEGAL_PARAMETER;
SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED);
}
}
s->s3->tmp.new_cipher=c;
+ if (!ssl3_digest_cached_records(s))
+ goto f_err;
/* lets get the compression algorithm */
/* COMPRESSION */
+#ifdef OPENSSL_NO_COMP
+ if (*(p++) != 0)
+ {
+ al=SSL_AD_ILLEGAL_PARAMETER;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
+ goto f_err;
+ }
+ /* If compression is disabled we'd better not try to resume a session
+ * using compression.
+ */
+ if (s->session->compress_meth != 0)
+ {
+ al=SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_INCONSISTENT_COMPRESSION);
+ goto f_err;
+ }
+#else
j= *(p++);
+ if (s->hit && j != s->session->compress_meth)
+ {
+ al=SSL_AD_ILLEGAL_PARAMETER;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED);
+ goto f_err;
+ }
if (j == 0)
comp=NULL;
+ else if (s->options & SSL_OP_NO_COMPRESSION)
+ {
+ al=SSL_AD_ILLEGAL_PARAMETER;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_COMPRESSION_DISABLED);
+ goto f_err;
+ }
else
comp=ssl3_comp_find(s->ctx->comp_methods,j);
{
s->s3->tmp.new_compression=comp;
}
+#endif
+
+#ifndef OPENSSL_NO_TLSEXT
+ /* TLS extensions*/
+ if (s->version >= SSL3_VERSION)
+ {
+ if (!ssl_parse_serverhello_tlsext(s,&p,d,n, &al))
+ {
+ /* 'al' set by ssl_parse_serverhello_tlsext */
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_PARSE_TLSEXT);
+ goto f_err;
+ }
+ if (ssl_check_serverhello_tlsext(s) <= 0)
+ {
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SERVERHELLO_TLSEXT);
+ goto err;
+ }
+ }
+#endif
if (p != (d+n))
{
return(-1);
}
-static int ssl3_get_server_certificate(SSL *s)
+int ssl3_get_server_certificate(SSL *s)
{
int al,i,ok,ret= -1;
unsigned long n,nc,llen,l;
X509 *x=NULL;
- unsigned char *p,*d,*q;
+ const unsigned char *q,*p;
+ unsigned char *d;
STACK_OF(X509) *sk=NULL;
SESS_CERT *sc;
EVP_PKEY *pkey=NULL;
- int need_cert = 1; /* VRS: 0=> will allow null cert if auth == KRB5 */
+ int need_cert = 1; /* VRS: 0=> will allow null cert if auth == KRB5 */
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_CERT_A,
SSL3_ST_CR_CERT_B,
-1,
if (!ok) return((int)n);
- if (s->s3->tmp.message_type == SSL3_MT_SERVER_KEY_EXCHANGE)
+ if ((s->s3->tmp.message_type == SSL3_MT_SERVER_KEY_EXCHANGE) ||
+ ((s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5) &&
+ (s->s3->tmp.message_type == SSL3_MT_SERVER_DONE)))
{
s->s3->tmp.reuse_message=1;
return(1);
SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_BAD_MESSAGE_TYPE);
goto f_err;
}
- d=p=(unsigned char *)s->init_msg;
+ p=d=(unsigned char *)s->init_msg;
if ((sk=sk_X509_new_null()) == NULL)
{
}
i=ssl_verify_cert_chain(s,sk);
- if ((s->verify_mode != SSL_VERIFY_NONE) && (!i)
+ if ((s->verify_mode != SSL_VERIFY_NONE) && (i <= 0)
#ifndef OPENSSL_NO_KRB5
- && (s->s3->tmp.new_cipher->algorithms & (SSL_MKEY_MASK|SSL_AUTH_MASK))
- != (SSL_aKRB5|SSL_kKRB5)
+ && !((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kKRB5) &&
+ (s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5))
#endif /* OPENSSL_NO_KRB5 */
- )
+ )
{
al=ssl_verify_alarm_type(s->verify_result);
SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_CERTIFICATE_VERIFY_FAILED);
pkey=X509_get_pubkey(x);
- /* VRS: allow null cert if auth == KRB5 */
- need_cert = ((s->s3->tmp.new_cipher->algorithms
- & (SSL_MKEY_MASK|SSL_AUTH_MASK))
- == (SSL_aKRB5|SSL_kKRB5))? 0: 1;
+ /* VRS: allow null cert if auth == KRB5 */
+ need_cert = ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kKRB5) &&
+ (s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5))
+ ? 0 : 1;
#ifdef KSSL_DEBUG
printf("pkey,x = %p, %p\n", pkey,x);
printf("ssl_cert_type(x,pkey) = %d\n", ssl_cert_type(x,pkey));
- printf("cipher, alg, nc = %s, %lx, %d\n", s->s3->tmp.new_cipher->name,
- s->s3->tmp.new_cipher->algorithms, need_cert);
+ printf("cipher, alg, nc = %s, %lx, %lx, %d\n", s->s3->tmp.new_cipher->name,
+ s->s3->tmp.new_cipher->algorithm_mkey, s->s3->tmp.new_cipher->algorithm_auth, need_cert);
#endif /* KSSL_DEBUG */
if (need_cert && ((pkey == NULL) || EVP_PKEY_missing_parameters(pkey)))
goto f_err;
}
- if (need_cert)
- {
- sc->peer_cert_type=i;
- CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
- /* Why would the following ever happen?
- * We just created sc a couple of lines ago. */
- if (sc->peer_pkeys[i].x509 != NULL)
- X509_free(sc->peer_pkeys[i].x509);
- sc->peer_pkeys[i].x509=x;
- sc->peer_key= &(sc->peer_pkeys[i]);
-
- if (s->session->peer != NULL)
- X509_free(s->session->peer);
- CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
- s->session->peer=x;
- }
- else
- {
- sc->peer_cert_type=i;
- sc->peer_key= NULL;
-
- if (s->session->peer != NULL)
- X509_free(s->session->peer);
- s->session->peer=NULL;
- }
+ if (need_cert)
+ {
+ sc->peer_cert_type=i;
+ CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
+ /* Why would the following ever happen?
+ * We just created sc a couple of lines ago. */
+ if (sc->peer_pkeys[i].x509 != NULL)
+ X509_free(sc->peer_pkeys[i].x509);
+ sc->peer_pkeys[i].x509=x;
+ sc->peer_key= &(sc->peer_pkeys[i]);
+
+ if (s->session->peer != NULL)
+ X509_free(s->session->peer);
+ CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
+ s->session->peer=x;
+ }
+ else
+ {
+ sc->peer_cert_type=i;
+ sc->peer_key= NULL;
+
+ if (s->session->peer != NULL)
+ X509_free(s->session->peer);
+ s->session->peer=NULL;
+ }
s->session->verify_result = s->verify_result;
x=NULL;
return(ret);
}
-static int ssl3_get_key_exchange(SSL *s)
+int ssl3_get_key_exchange(SSL *s)
{
#ifndef OPENSSL_NO_RSA
unsigned char *q,md_buf[EVP_MAX_MD_SIZE*2];
EVP_MD_CTX md_ctx;
unsigned char *param,*p;
int al,i,j,param_len,ok;
- long n,alg;
+ long n,alg_k,alg_a;
EVP_PKEY *pkey=NULL;
#ifndef OPENSSL_NO_RSA
RSA *rsa=NULL;
/* use same message size as in ssl3_get_certificate_request()
* as ServerKeyExchange message may be skipped */
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_KEY_EXCH_A,
SSL3_ST_CR_KEY_EXCH_B,
-1,
s->max_cert_list,
&ok);
-
if (!ok) return((int)n);
if (s->s3->tmp.message_type != SSL3_MT_SERVER_KEY_EXCHANGE)
{
+#ifndef OPENSSL_NO_PSK
+ /* In plain PSK ciphersuite, ServerKeyExchange can be
+ omitted if no identity hint is sent. Set
+ session->sess_cert anyway to avoid problems
+ later.*/
+ if (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)
+ {
+ s->session->sess_cert=ssl_sess_cert_new();
+ if (s->ctx->psk_identity_hint)
+ OPENSSL_free(s->ctx->psk_identity_hint);
+ s->ctx->psk_identity_hint = NULL;
+ }
+#endif
s->s3->tmp.reuse_message=1;
return(1);
}
param=p=(unsigned char *)s->init_msg;
-
if (s->session->sess_cert != NULL)
{
#ifndef OPENSSL_NO_RSA
}
param_len=0;
- alg=s->s3->tmp.new_cipher->algorithms;
+ alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
+ alg_a=s->s3->tmp.new_cipher->algorithm_auth;
EVP_MD_CTX_init(&md_ctx);
+#ifndef OPENSSL_NO_PSK
+ if (alg_k & SSL_kPSK)
+ {
+ char tmp_id_hint[PSK_MAX_IDENTITY_LEN+1];
+
+ al=SSL_AD_HANDSHAKE_FAILURE;
+ n2s(p,i);
+ param_len=i+2;
+ /* Store PSK identity hint for later use, hint is used
+ * in ssl3_send_client_key_exchange. Assume that the
+ * maximum length of a PSK identity hint can be as
+ * long as the maximum length of a PSK identity. */
+ if (i > PSK_MAX_IDENTITY_LEN)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+ SSL_R_DATA_LENGTH_TOO_LONG);
+ goto f_err;
+ }
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+ SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH);
+ goto f_err;
+ }
+ /* If received PSK identity hint contains NULL
+ * characters, the hint is truncated from the first
+ * NULL. p may not be ending with NULL, so create a
+ * NULL-terminated string. */
+ memcpy(tmp_id_hint, p, i);
+ memset(tmp_id_hint+i, 0, PSK_MAX_IDENTITY_LEN+1-i);
+ if (s->ctx->psk_identity_hint != NULL)
+ OPENSSL_free(s->ctx->psk_identity_hint);
+ s->ctx->psk_identity_hint = BUF_strdup(tmp_id_hint);
+ if (s->ctx->psk_identity_hint == NULL)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE);
+ goto f_err;
+ }
+
+ p+=i;
+ n-=param_len;
+ }
+ else
+#endif /* !OPENSSL_NO_PSK */
+#ifndef OPENSSL_NO_SRP
+ if (alg_k & SSL_kSRP)
+ {
+ n2s(p,i);
+ param_len=i+2;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_N_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.N=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+ n2s(p,i);
+ param_len+=i+2;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_G_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.g=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+ i = (unsigned int)(p[0]);
+ p++;
+ param_len+=i+1;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_S_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.s=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+ n2s(p,i);
+ param_len+=i+2;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_B_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.B=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+ n-=param_len;
+
+/* We must check if there is a certificate */
+#ifndef OPENSSL_NO_RSA
+ if (alg_a & SSL_aRSA)
+ pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
+#else
+ if (0)
+ ;
+#endif
+#ifndef OPENSSL_NO_DSA
+ else if (alg_a & SSL_aDSS)
+ pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509);
+#endif
+ }
+ else
+#endif /* !OPENSSL_NO_SRP */
#ifndef OPENSSL_NO_RSA
- if (alg & SSL_kRSA)
+ if (alg_k & SSL_kRSA)
{
if ((rsa=RSA_new()) == NULL)
{
n-=param_len;
/* this should be because we are using an export cipher */
- if (alg & SSL_aRSA)
+ if (alg_a & SSL_aRSA)
pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
else
{
;
#endif
#ifndef OPENSSL_NO_DH
- else if (alg & SSL_kEDH)
+ else if (alg_k & SSL_kEDH)
{
if ((dh=DH_new()) == NULL)
{
n-=param_len;
#ifndef OPENSSL_NO_RSA
- if (alg & SSL_aRSA)
+ if (alg_a & SSL_aRSA)
pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
#else
if (0)
;
#endif
#ifndef OPENSSL_NO_DSA
- else if (alg & SSL_aDSS)
+ else if (alg_a & SSL_aDSS)
pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509);
#endif
/* else anonymous DH, so no certificate or pkey. */
s->session->sess_cert->peer_dh_tmp=dh;
dh=NULL;
}
- else if ((alg & SSL_kDHr) || (alg & SSL_kDHd))
+ else if ((alg_k & SSL_kDHr) || (alg_k & SSL_kDHd))
{
al=SSL_AD_ILLEGAL_PARAMETER;
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);
#endif /* !OPENSSL_NO_DH */
#ifndef OPENSSL_NO_ECDH
- else if (alg & SSL_kECDHE)
+ else if (alg_k & SSL_kEECDH)
{
+ EC_GROUP *ngroup;
+ const EC_GROUP *group;
+
if ((ecdh=EC_KEY_new()) == NULL)
{
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
*/
/* XXX: For now we only support named (not generic) curves
- * and the ECParameters in this case is just two bytes.
+ * and the ECParameters in this case is just three bytes.
*/
- param_len=2;
+ param_len=3;
if ((param_len > n) ||
(*p != NAMED_CURVE_TYPE) ||
- ((curve_nid = curve_id2nid(*(p + 1))) == 0))
+ ((curve_nid = tls1_ec_curve_id2nid(*(p + 2))) == 0))
{
al=SSL_AD_INTERNAL_ERROR;
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS);
goto f_err;
}
- if (!(ecdh->group=EC_GROUP_new_by_nid(curve_nid)))
+ ngroup = EC_GROUP_new_by_curve_name(curve_nid);
+ if (ngroup == NULL)
{
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_EC_LIB);
goto err;
}
+ if (EC_KEY_set_group(ecdh, ngroup) == 0)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_EC_LIB);
+ goto err;
+ }
+ EC_GROUP_free(ngroup);
+
+ group = EC_KEY_get0_group(ecdh);
if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) &&
- (EC_GROUP_get_degree(ecdh->group) > 163))
+ (EC_GROUP_get_degree(group) > 163))
{
al=SSL_AD_EXPORT_RESTRICTION;
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER);
goto f_err;
}
- p+=2;
+ p+=3;
/* Next, get the encoded ECPoint */
- if (((srvr_ecpoint = EC_POINT_new(ecdh->group)) == NULL) ||
+ if (((srvr_ecpoint = EC_POINT_new(group)) == NULL) ||
((bn_ctx = BN_CTX_new()) == NULL))
{
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
p+=1;
param_len += (1 + encoded_pt_len);
if ((param_len > n) ||
- (EC_POINT_oct2point(ecdh->group, srvr_ecpoint,
+ (EC_POINT_oct2point(group, srvr_ecpoint,
p, encoded_pt_len, bn_ctx) == 0))
{
al=SSL_AD_DECODE_ERROR;
*/
if (0) ;
#ifndef OPENSSL_NO_RSA
- else if (alg & SSL_aRSA)
+ else if (alg_a & SSL_aRSA)
pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
#endif
#ifndef OPENSSL_NO_ECDSA
- else if (alg & SSL_aECDSA)
+ else if (alg_a & SSL_aECDSA)
pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_ECC].x509);
#endif
/* else anonymous ECDH, so no certificate or pkey. */
- ecdh->pub_key = srvr_ecpoint;
+ EC_KEY_set_public_key(ecdh, srvr_ecpoint);
s->session->sess_cert->peer_ecdh_tmp=ecdh;
ecdh=NULL;
BN_CTX_free(bn_ctx);
+ bn_ctx = NULL;
+ EC_POINT_free(srvr_ecpoint);
srvr_ecpoint = NULL;
}
- else if (alg & SSL_kECDH)
+ else if (alg_k)
{
al=SSL_AD_UNEXPECTED_MESSAGE;
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE);
goto f_err;
}
#endif /* !OPENSSL_NO_ECDH */
- if (alg & SSL_aFZA)
- {
- al=SSL_AD_HANDSHAKE_FAILURE;
- SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);
- goto f_err;
- }
/* p points to the next byte, there are 'n' bytes left */
EVP_VerifyUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);
EVP_VerifyUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);
EVP_VerifyUpdate(&md_ctx,param,param_len);
- if (!EVP_VerifyFinal(&md_ctx,p,(int)n,pkey))
+ if (EVP_VerifyFinal(&md_ctx,p,(int)n,pkey) <= 0)
{
/* bad signature */
al=SSL_AD_DECRYPT_ERROR;
EVP_VerifyUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);
EVP_VerifyUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);
EVP_VerifyUpdate(&md_ctx,param,param_len);
- if (!EVP_VerifyFinal(&md_ctx,p,(int)n,pkey))
+ if (EVP_VerifyFinal(&md_ctx,p,(int)n,pkey) <= 0)
{
/* bad signature */
al=SSL_AD_DECRYPT_ERROR;
}
else
{
- /* still data left over */
- if (!(alg & SSL_aNULL))
+ if (!(alg_a & SSL_aNULL) && !(alg_k & SSL_kPSK))
+ /* aNULL or kPSK do not need public keys */
{
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
goto err;
}
+ /* still data left over */
if (n != 0)
{
al=SSL_AD_DECODE_ERROR;
return(-1);
}
-static int ssl3_get_certificate_request(SSL *s)
+int ssl3_get_certificate_request(SSL *s)
{
int ok,ret=0;
unsigned long n,nc,l;
unsigned int llen,ctype_num,i;
X509_NAME *xn=NULL;
- unsigned char *p,*d,*q;
+ const unsigned char *p,*q;
+ unsigned char *d;
STACK_OF(X509_NAME) *ca_sk=NULL;
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_CERT_REQ_A,
SSL3_ST_CR_CERT_REQ_B,
-1,
/* TLS does not like anon-DH with client cert */
if (s->version > SSL3_VERSION)
{
- l=s->s3->tmp.new_cipher->algorithms;
- if (l & SSL_aNULL)
+ if (s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL)
{
ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE);
SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST,SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER);
}
}
- d=p=(unsigned char *)s->init_msg;
+ p=d=(unsigned char *)s->init_msg;
if ((ca_sk=sk_X509_NAME_new(ca_dn_cmp)) == NULL)
{
{
return(X509_NAME_cmp(*a,*b));
}
+#ifndef OPENSSL_NO_TLSEXT
+int ssl3_get_new_session_ticket(SSL *s)
+ {
+ int ok,al,ret=0, ticklen;
+ long n;
+ const unsigned char *p;
+ unsigned char *d;
+
+ n=s->method->ssl_get_message(s,
+ SSL3_ST_CR_SESSION_TICKET_A,
+ SSL3_ST_CR_SESSION_TICKET_B,
+ -1,
+ 16384,
+ &ok);
+
+ if (!ok)
+ return((int)n);
+
+ if (s->s3->tmp.message_type == SSL3_MT_FINISHED)
+ {
+ s->s3->tmp.reuse_message=1;
+ return(1);
+ }
+ if (s->s3->tmp.message_type != SSL3_MT_NEWSESSION_TICKET)
+ {
+ al=SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_BAD_MESSAGE_TYPE);
+ goto f_err;
+ }
+ if (n < 6)
+ {
+ /* need at least ticket_lifetime_hint + ticket length */
+ al = SSL3_AL_FATAL,SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_LENGTH_MISMATCH);
+ goto f_err;
+ }
+
+ p=d=(unsigned char *)s->init_msg;
+ n2l(p, s->session->tlsext_tick_lifetime_hint);
+ n2s(p, ticklen);
+ /* ticket_lifetime_hint + ticket_length + ticket */
+ if (ticklen + 6 != n)
+ {
+ al = SSL3_AL_FATAL,SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_LENGTH_MISMATCH);
+ goto f_err;
+ }
+ if (s->session->tlsext_tick)
+ {
+ OPENSSL_free(s->session->tlsext_tick);
+ s->session->tlsext_ticklen = 0;
+ }
+ s->session->tlsext_tick = OPENSSL_malloc(ticklen);
+ if (!s->session->tlsext_tick)
+ {
+ SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ memcpy(s->session->tlsext_tick, p, ticklen);
+ s->session->tlsext_ticklen = ticklen;
+ /* There are two ways to detect a resumed ticket sesion.
+ * One is to set an appropriate session ID and then the server
+ * must return a match in ServerHello. This allows the normal
+ * client session ID matching to work and we know much
+ * earlier that the ticket has been accepted.
+ *
+ * The other way is to set zero length session ID when the
+ * ticket is presented and rely on the handshake to determine
+ * session resumption.
+ *
+ * We choose the former approach because this fits in with
+ * assumptions elsewhere in OpenSSL. The session ID is set
+ * to the SHA256 (or SHA1 is SHA256 is disabled) hash of the
+ * ticket.
+ */
+ EVP_Digest(p, ticklen,
+ s->session->session_id, &s->session->session_id_length,
+#ifndef OPENSSL_NO_SHA256
+ EVP_sha256(), NULL);
+#else
+ EVP_sha1(), NULL);
+#endif
+ ret=1;
+ return(ret);
+f_err:
+ ssl3_send_alert(s,SSL3_AL_FATAL,al);
+err:
+ return(-1);
+ }
+
+int ssl3_get_cert_status(SSL *s)
+ {
+ int ok, al;
+ unsigned long resplen,n;
+ const unsigned char *p;
+
+ n=s->method->ssl_get_message(s,
+ SSL3_ST_CR_CERT_STATUS_A,
+ SSL3_ST_CR_CERT_STATUS_B,
+ SSL3_MT_CERTIFICATE_STATUS,
+ 16384,
+ &ok);
+
+ if (!ok) return((int)n);
+ if (n < 4)
+ {
+ /* need at least status type + length */
+ al = SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_LENGTH_MISMATCH);
+ goto f_err;
+ }
+ p = (unsigned char *)s->init_msg;
+ if (*p++ != TLSEXT_STATUSTYPE_ocsp)
+ {
+ al = SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_UNSUPPORTED_STATUS_TYPE);
+ goto f_err;
+ }
+ n2l3(p, resplen);
+ if (resplen + 4 != n)
+ {
+ al = SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_LENGTH_MISMATCH);
+ goto f_err;
+ }
+ if (s->tlsext_ocsp_resp)
+ OPENSSL_free(s->tlsext_ocsp_resp);
+ s->tlsext_ocsp_resp = BUF_memdup(p, resplen);
+ if (!s->tlsext_ocsp_resp)
+ {
+ al = SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CERT_STATUS,ERR_R_MALLOC_FAILURE);
+ goto f_err;
+ }
+ s->tlsext_ocsp_resplen = resplen;
+ if (s->ctx->tlsext_status_cb)
+ {
+ int ret;
+ ret = s->ctx->tlsext_status_cb(s, s->ctx->tlsext_status_arg);
+ if (ret == 0)
+ {
+ al = SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE;
+ SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_INVALID_STATUS_RESPONSE);
+ goto f_err;
+ }
+ if (ret < 0)
+ {
+ al = SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CERT_STATUS,ERR_R_MALLOC_FAILURE);
+ goto f_err;
+ }
+ }
+ return 1;
+f_err:
+ ssl3_send_alert(s,SSL3_AL_FATAL,al);
+ return(-1);
+ }
+#endif
-static int ssl3_get_server_done(SSL *s)
+int ssl3_get_server_done(SSL *s)
{
int ok,ret=0;
long n;
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_SRVR_DONE_A,
SSL3_ST_CR_SRVR_DONE_B,
SSL3_MT_SERVER_DONE,
return(ret);
}
-static int ssl3_send_client_key_exchange(SSL *s)
+
+int ssl3_send_client_key_exchange(SSL *s)
{
unsigned char *p,*d;
int n;
- unsigned long l;
+ unsigned long alg_k;
#ifndef OPENSSL_NO_RSA
unsigned char *q;
EVP_PKEY *pkey=NULL;
#endif
#ifndef OPENSSL_NO_KRB5
- KSSL_ERR kssl_err;
+ KSSL_ERR kssl_err;
#endif /* OPENSSL_NO_KRB5 */
#ifndef OPENSSL_NO_ECDH
EC_KEY *clnt_ecdh = NULL;
- EC_POINT *srvr_ecpoint = NULL;
+ const EC_POINT *srvr_ecpoint = NULL;
EVP_PKEY *srvr_pub_pkey = NULL;
unsigned char *encodedPoint = NULL;
int encoded_pt_len = 0;
d=(unsigned char *)s->init_buf->data;
p= &(d[4]);
- l=s->s3->tmp.new_cipher->algorithms;
+ alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
- /* Fool emacs indentation */
- if (0) {}
+ /* Fool emacs indentation */
+ if (0) {}
#ifndef OPENSSL_NO_RSA
- else if (l & SSL_kRSA)
+ else if (alg_k & SSL_kRSA)
{
RSA *rsa;
unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH];
tmp_buf[0]=s->client_version>>8;
tmp_buf[1]=s->client_version&0xff;
- if (RAND_bytes(&(tmp_buf[2]),SSL_MAX_MASTER_KEY_LENGTH-2) <= 0)
+ if (RAND_bytes(&(tmp_buf[2]),sizeof tmp_buf-2) <= 0)
goto err;
- s->session->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
+ s->session->master_key_length=sizeof tmp_buf;
q=p;
/* Fix buf for TLS and beyond */
if (s->version > SSL3_VERSION)
p+=2;
- n=RSA_public_encrypt(SSL_MAX_MASTER_KEY_LENGTH,
+ n=RSA_public_encrypt(sizeof tmp_buf,
tmp_buf,p,rsa,RSA_PKCS1_PADDING);
#ifdef PKCS1_CHECK
if (s->options & SSL_OP_PKCS1_CHECK_1) p[1]++;
s->session->master_key_length=
s->method->ssl3_enc->generate_master_secret(s,
s->session->master_key,
- tmp_buf,SSL_MAX_MASTER_KEY_LENGTH);
- memset(tmp_buf,0,SSL_MAX_MASTER_KEY_LENGTH);
+ tmp_buf,sizeof tmp_buf);
+ OPENSSL_cleanse(tmp_buf,sizeof tmp_buf);
}
#endif
#ifndef OPENSSL_NO_KRB5
- else if (l & SSL_kKRB5)
- {
- krb5_error_code krb5rc;
- KSSL_CTX *kssl_ctx = s->kssl_ctx;
- /* krb5_data krb5_ap_req; */
- krb5_data *enc_ticket;
- krb5_data authenticator, *authp = NULL;
+ else if (alg_k & SSL_kKRB5)
+ {
+ krb5_error_code krb5rc;
+ KSSL_CTX *kssl_ctx = s->kssl_ctx;
+ /* krb5_data krb5_ap_req; */
+ krb5_data *enc_ticket;
+ krb5_data authenticator, *authp = NULL;
EVP_CIPHER_CTX ciph_ctx;
- EVP_CIPHER *enc = NULL;
+ const EVP_CIPHER *enc = NULL;
unsigned char iv[EVP_MAX_IV_LENGTH];
unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH];
unsigned char epms[SSL_MAX_MASTER_KEY_LENGTH
EVP_CIPHER_CTX_init(&ciph_ctx);
#ifdef KSSL_DEBUG
- printf("ssl3_send_client_key_exchange(%lx & %lx)\n",
- l, SSL_kKRB5);
+ printf("ssl3_send_client_key_exchange(%lx & %lx)\n",
+ alg_k, SSL_kKRB5);
#endif /* KSSL_DEBUG */
authp = NULL;
if (KRB5SENDAUTH) authp = &authenticator;
#endif /* KRB5SENDAUTH */
- krb5rc = kssl_cget_tkt(kssl_ctx, &enc_ticket, authp,
+ krb5rc = kssl_cget_tkt(kssl_ctx, &enc_ticket, authp,
&kssl_err);
enc = kssl_map_enc(kssl_ctx->enctype);
- if (enc == NULL)
- goto err;
+ if (enc == NULL)
+ goto err;
#ifdef KSSL_DEBUG
- {
- printf("kssl_cget_tkt rtn %d\n", krb5rc);
- if (krb5rc && kssl_err.text)
+ {
+ printf("kssl_cget_tkt rtn %d\n", krb5rc);
+ if (krb5rc && kssl_err.text)
printf("kssl_cget_tkt kssl_err=%s\n", kssl_err.text);
- }
+ }
#endif /* KSSL_DEBUG */
- if (krb5rc)
- {
- ssl3_send_alert(s,SSL3_AL_FATAL,
+ if (krb5rc)
+ {
+ ssl3_send_alert(s,SSL3_AL_FATAL,
SSL_AD_HANDSHAKE_FAILURE);
- SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
kssl_err.reason);
- goto err;
- }
+ goto err;
+ }
/* 20010406 VRS - Earlier versions used KRB5 AP_REQ
** in place of RFC 2712 KerberosWrapper, as in:
**
- ** Send ticket (copy to *p, set n = length)
- ** n = krb5_ap_req.length;
- ** memcpy(p, krb5_ap_req.data, krb5_ap_req.length);
- ** if (krb5_ap_req.data)
- ** kssl_krb5_free_data_contents(NULL,&krb5_ap_req);
- **
+ ** Send ticket (copy to *p, set n = length)
+ ** n = krb5_ap_req.length;
+ ** memcpy(p, krb5_ap_req.data, krb5_ap_req.length);
+ ** if (krb5_ap_req.data)
+ ** kssl_krb5_free_data_contents(NULL,&krb5_ap_req);
+ **
** Now using real RFC 2712 KerberosWrapper
** (Thanks to Simon Wilkinson <sxw@sxw.org.uk>)
** Note: 2712 "opaque" types are here replaced
n+=2;
}
- if (RAND_bytes(tmp_buf,SSL_MAX_MASTER_KEY_LENGTH) <= 0)
- goto err;
+ tmp_buf[0]=s->client_version>>8;
+ tmp_buf[1]=s->client_version&0xff;
+ if (RAND_bytes(&(tmp_buf[2]),sizeof tmp_buf-2) <= 0)
+ goto err;
/* 20010420 VRS. Tried it this way; failed.
** EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,NULL);
** EVP_EncryptInit_ex(&ciph_ctx,NULL, key,iv);
*/
- memset(iv, 0, EVP_MAX_IV_LENGTH); /* per RFC 1510 */
+ memset(iv, 0, sizeof iv); /* per RFC 1510 */
EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,
kssl_ctx->key,iv);
EVP_EncryptUpdate(&ciph_ctx,epms,&outl,tmp_buf,
- SSL_MAX_MASTER_KEY_LENGTH);
+ sizeof tmp_buf);
EVP_EncryptFinal_ex(&ciph_ctx,&(epms[outl]),&padl);
outl += padl;
- if (outl > sizeof epms)
+ if (outl > (int)sizeof epms)
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);
goto err;
p+=outl;
n+=outl + 2;
- s->session->master_key_length=
- s->method->ssl3_enc->generate_master_secret(s,
+ s->session->master_key_length=
+ s->method->ssl3_enc->generate_master_secret(s,
s->session->master_key,
- tmp_buf, SSL_MAX_MASTER_KEY_LENGTH);
+ tmp_buf, sizeof tmp_buf);
- memset(tmp_buf, 0, SSL_MAX_MASTER_KEY_LENGTH);
- memset(epms, 0, outl);
- }
+ OPENSSL_cleanse(tmp_buf, sizeof tmp_buf);
+ OPENSSL_cleanse(epms, outl);
+ }
#endif
#ifndef OPENSSL_NO_DH
- else if (l & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
+ else if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
{
DH *dh_srvr,*dh_clnt;
+ if (s->session->sess_cert == NULL)
+ {
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE);
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE);
+ goto err;
+ }
+
if (s->session->sess_cert->peer_dh_tmp != NULL)
dh_srvr=s->session->sess_cert->peer_dh_tmp;
else
#endif
#ifndef OPENSSL_NO_ECDH
- else if ((l & SSL_kECDH) || (l & SSL_kECDHE))
+ else if (alg_k & (SSL_kEECDH|SSL_kECDHr|SSL_kECDHe))
{
- EC_GROUP *srvr_group = NULL;
+ const EC_GROUP *srvr_group = NULL;
+ EC_KEY *tkey;
int ecdh_clnt_cert = 0;
+ int field_size = 0;
/* Did we send out the client's
* ECDH share for use in premaster
* computation as part of client certificate?
* If so, set ecdh_clnt_cert to 1.
*/
- if ((l & SSL_kECDH) && (s->cert != NULL))
+ if ((alg_k & (SSL_kECDHr|SSL_kECDHe)) && (s->cert != NULL))
{
/* XXX: For now, we do not support client
* authentication using ECDH certificates.
if (s->session->sess_cert->peer_ecdh_tmp != NULL)
{
- srvr_group = s->session->sess_cert-> \
- peer_ecdh_tmp->group;
- srvr_ecpoint = s->session->sess_cert-> \
- peer_ecdh_tmp->pub_key;
+ tkey = s->session->sess_cert->peer_ecdh_tmp;
}
else
{
sess_cert->peer_pkeys[SSL_PKEY_ECC].x509);
if ((srvr_pub_pkey == NULL) ||
(srvr_pub_pkey->type != EVP_PKEY_EC) ||
- (srvr_pub_pkey->pkey.eckey == NULL))
+ (srvr_pub_pkey->pkey.ec == NULL))
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
ERR_R_INTERNAL_ERROR);
goto err;
}
- srvr_group = srvr_pub_pkey->pkey.eckey->group;
- srvr_ecpoint =
- srvr_pub_pkey->pkey.eckey->pub_key;
+ tkey = srvr_pub_pkey->pkey.ec;
}
+ srvr_group = EC_KEY_get0_group(tkey);
+ srvr_ecpoint = EC_KEY_get0_public_key(tkey);
+
if ((srvr_group == NULL) || (srvr_ecpoint == NULL))
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
goto err;
}
- clnt_ecdh->group = srvr_group;
+ if (!EC_KEY_set_group(clnt_ecdh, srvr_group))
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_EC_LIB);
+ goto err;
+ }
if (ecdh_clnt_cert)
{
- /* Reuse key info from our certificate
+ /* Reuse key info from our certificate
* We only need our private key to perform
* the ECDH computation.
*/
- clnt_ecdh->priv_key = BN_dup(s->cert->key-> \
- privatekey->pkey.eckey->priv_key);
+ const BIGNUM *priv_key;
+ tkey = s->cert->key->privatekey->pkey.ec;
+ priv_key = EC_KEY_get0_private_key(tkey);
+ if (priv_key == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!EC_KEY_set_private_key(clnt_ecdh, priv_key))
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_EC_LIB);
+ goto err;
+ }
}
else
{
}
}
- /* use the 'p' output buffer for the ECDH key, but
- * make sure to clear it out afterwards
+ /* use the 'p' output buffer for the ECDH key, but
+ * make sure to clear it out afterwards
*/
- n=ECDH_compute_key(p, srvr_ecpoint, clnt_ecdh);
+ field_size = EC_GROUP_get_degree(srvr_group);
+ if (field_size <= 0)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_ECDH_LIB);
+ goto err;
+ }
+ n=ECDH_compute_key(p, (field_size+7)/8, srvr_ecpoint, clnt_ecdh, NULL);
if (n <= 0)
- {
- SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
ERR_R_ECDH_LIB);
- goto err;
+ goto err;
}
- /* generate master key from the result */
- s->session->master_key_length = s->method->ssl3_enc \
+ /* generate master key from the result */
+ s->session->master_key_length = s->method->ssl3_enc \
-> generate_master_secret(s,
s->session->master_key,
p, n);
- memset(p, 0, n); /* clean up */
+ memset(p, 0, n); /* clean up */
if (ecdh_clnt_cert)
{
* allocate memory accordingly.
*/
encoded_pt_len =
- EC_POINT_point2oct(clnt_ecdh->group,
- clnt_ecdh->pub_key,
+ EC_POINT_point2oct(srvr_group,
+ EC_KEY_get0_public_key(clnt_ecdh),
POINT_CONVERSION_UNCOMPRESSED,
NULL, 0, NULL);
}
/* Encode the public key */
- n = EC_POINT_point2oct(clnt_ecdh->group,
- clnt_ecdh->pub_key,
+ n = EC_POINT_point2oct(srvr_group,
+ EC_KEY_get0_public_key(clnt_ecdh),
POINT_CONVERSION_UNCOMPRESSED,
encodedPoint, encoded_pt_len, bn_ctx);
*p = n; /* length of encoded point */
- /* Encoded point will be copied here */
+ /* Encoded point will be copied here */
p += 1;
/* copy the point */
memcpy((unsigned char *)p, encodedPoint, n);
BN_CTX_free(bn_ctx);
if (encodedPoint != NULL) OPENSSL_free(encodedPoint);
if (clnt_ecdh != NULL)
- {
- /* group is shared */
- clnt_ecdh->group = NULL;
EC_KEY_free(clnt_ecdh);
- }
EVP_PKEY_free(srvr_pub_pkey);
}
#endif /* !OPENSSL_NO_ECDH */
+ else if (alg_k & SSL_kGOST)
+ {
+ /* GOST key exchange message creation */
+ EVP_PKEY_CTX *pkey_ctx;
+ X509 *peer_cert;
+ size_t msglen;
+ unsigned int md_len;
+ int keytype;
+ unsigned char premaster_secret[32],shared_ukm[32], tmp[256];
+ EVP_MD_CTX *ukm_hash;
+ EVP_PKEY *pub_key;
+
+ /* Get server sertificate PKEY and create ctx from it */
+ peer_cert=s->session->sess_cert->peer_pkeys[(keytype=SSL_PKEY_GOST01)].x509;
+ if (!peer_cert)
+ peer_cert=s->session->sess_cert->peer_pkeys[(keytype=SSL_PKEY_GOST94)].x509;
+ if (!peer_cert) {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER);
+ goto err;
+ }
+
+ pkey_ctx=EVP_PKEY_CTX_new(pub_key=X509_get_pubkey(peer_cert),NULL);
+ /* If we have send a certificate, and certificate key
+
+ * parameters match those of server certificate, use
+ * certificate key for key exchange
+ */
+
+ /* Otherwise, generate ephemeral key pair */
+
+ EVP_PKEY_encrypt_init(pkey_ctx);
+ /* Generate session key */
+ RAND_bytes(premaster_secret,32);
+ /* If we have client certificate, use its secret as peer key */
+ if (s->s3->tmp.cert_req && s->cert->key->privatekey) {
+ if (EVP_PKEY_derive_set_peer(pkey_ctx,s->cert->key->privatekey) <=0) {
+ /* If there was an error - just ignore it. Ephemeral key
+ * would be used
+ */
+ ERR_clear_error();
+ }
+ }
+ /* Compute shared IV and store it in algorithm-specific
+ * context data */
+ ukm_hash = EVP_MD_CTX_create();
+ EVP_DigestInit(ukm_hash,EVP_get_digestbynid(NID_id_GostR3411_94));
+ EVP_DigestUpdate(ukm_hash,s->s3->client_random,SSL3_RANDOM_SIZE);
+ EVP_DigestUpdate(ukm_hash,s->s3->server_random,SSL3_RANDOM_SIZE);
+ EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len);
+ EVP_MD_CTX_destroy(ukm_hash);
+ if (EVP_PKEY_CTX_ctrl(pkey_ctx,-1,EVP_PKEY_OP_ENCRYPT,EVP_PKEY_CTRL_SET_IV,
+ 8,shared_ukm)<0) {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ SSL_R_LIBRARY_BUG);
+ goto err;
+ }
+ /* Make GOST keytransport blob message */
+ /*Encapsulate it into sequence */
+ *(p++)=V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED;
+ msglen=255;
+ if (EVP_PKEY_encrypt(pkey_ctx,tmp,&msglen,premaster_secret,32)<0) {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ SSL_R_LIBRARY_BUG);
+ goto err;
+ }
+ if (msglen >= 0x80)
+ {
+ *(p++)=0x81;
+ *(p++)= msglen & 0xff;
+ n=msglen+3;
+ }
+ else
+ {
+ *(p++)= msglen & 0xff;
+ n=msglen+2;
+ }
+ memcpy(p, tmp, msglen);
+ /* Check if pubkey from client certificate was used */
+ if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, -1, EVP_PKEY_CTRL_PEER_KEY, 2, NULL) > 0)
+ {
+ /* Set flag "skip certificate verify" */
+ s->s3->flags |= TLS1_FLAGS_SKIP_CERT_VERIFY;
+ }
+ EVP_PKEY_CTX_free(pkey_ctx);
+ s->session->master_key_length=
+ s->method->ssl3_enc->generate_master_secret(s,
+ s->session->master_key,premaster_secret,32);
+ EVP_PKEY_free(pub_key);
+
+ }
+#ifndef OPENSSL_NO_SRP
+ else if (alg_k & SSL_kSRP)
+ {
+ if (s->srp_ctx.A != NULL)
+ {
+ /* send off the data */
+ n=BN_num_bytes(s->srp_ctx.A);
+ s2n(n,p);
+ BN_bn2bin(s->srp_ctx.A,p);
+ n+=2;
+ }
+ else
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ if (s->session->srp_username != NULL)
+ OPENSSL_free(s->session->srp_username);
+ s->session->srp_username = BUF_strdup(s->srp_ctx.login);
+ if (s->session->srp_username == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if ((s->session->master_key_length = SRP_generate_client_master_secret(s,s->session->master_key))<0)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ }
+#endif
+#ifndef OPENSSL_NO_PSK
+ else if (alg_k & SSL_kPSK)
+ {
+ char identity[PSK_MAX_IDENTITY_LEN];
+ unsigned char *t = NULL;
+ unsigned char psk_or_pre_ms[PSK_MAX_PSK_LEN*2+4];
+ unsigned int pre_ms_len = 0, psk_len = 0;
+ int psk_err = 1;
+
+ n = 0;
+ if (s->psk_client_callback == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ SSL_R_PSK_NO_CLIENT_CB);
+ goto err;
+ }
+
+ psk_len = s->psk_client_callback(s, s->ctx->psk_identity_hint,
+ identity, PSK_MAX_IDENTITY_LEN,
+ psk_or_pre_ms, sizeof(psk_or_pre_ms));
+ if (psk_len > PSK_MAX_PSK_LEN)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_INTERNAL_ERROR);
+ goto psk_err;
+ }
+ else if (psk_len == 0)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ SSL_R_PSK_IDENTITY_NOT_FOUND);
+ goto psk_err;
+ }
+
+ /* create PSK pre_master_secret */
+ pre_ms_len = 2+psk_len+2+psk_len;
+ t = psk_or_pre_ms;
+ memmove(psk_or_pre_ms+psk_len+4, psk_or_pre_ms, psk_len);
+ s2n(psk_len, t);
+ memset(t, 0, psk_len);
+ t+=psk_len;
+ s2n(psk_len, t);
+
+ if (s->session->psk_identity_hint != NULL)
+ OPENSSL_free(s->session->psk_identity_hint);
+ s->session->psk_identity_hint = BUF_strdup(s->ctx->psk_identity_hint);
+ if (s->ctx->psk_identity_hint != NULL &&
+ s->session->psk_identity_hint == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto psk_err;
+ }
+
+ if (s->session->psk_identity != NULL)
+ OPENSSL_free(s->session->psk_identity);
+ s->session->psk_identity = BUF_strdup(identity);
+ if (s->session->psk_identity == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto psk_err;
+ }
+
+ s->session->master_key_length =
+ s->method->ssl3_enc->generate_master_secret(s,
+ s->session->master_key,
+ psk_or_pre_ms, pre_ms_len);
+ n = strlen(identity);
+ s2n(n, p);
+ memcpy(p, identity, n);
+ n+=2;
+ psk_err = 0;
+ psk_err:
+ OPENSSL_cleanse(identity, PSK_MAX_IDENTITY_LEN);
+ OPENSSL_cleanse(psk_or_pre_ms, sizeof(psk_or_pre_ms));
+ if (psk_err != 0)
+ {
+ ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);
+ goto err;
+ }
+ }
+#endif
else
{
ssl3_send_alert(s, SSL3_AL_FATAL,
BN_CTX_free(bn_ctx);
if (encodedPoint != NULL) OPENSSL_free(encodedPoint);
if (clnt_ecdh != NULL)
- {
- /* group is shared */
- clnt_ecdh->group = NULL;
EC_KEY_free(clnt_ecdh);
- }
- EVP_PKEY_free(srvr_pub_pkey);
+ EVP_PKEY_free(srvr_pub_pkey);
#endif
return(-1);
}
-static int ssl3_send_client_verify(SSL *s)
+int ssl3_send_client_verify(SSL *s)
{
unsigned char *p,*d;
unsigned char data[MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH];
EVP_PKEY *pkey;
+ EVP_PKEY_CTX *pctx=NULL;
#ifndef OPENSSL_NO_RSA
unsigned u=0;
#endif
unsigned long n;
-#ifndef OPENSSL_NO_DSA
int j;
-#endif
if (s->state == SSL3_ST_CW_CERT_VRFY_A)
{
d=(unsigned char *)s->init_buf->data;
p= &(d[4]);
pkey=s->cert->key->privatekey;
-
- s->method->ssl3_enc->cert_verify_mac(s,&(s->s3->finish_dgst2),
- &(data[MD5_DIGEST_LENGTH]));
-
+/* Create context from key and test if sha1 is allowed as digest */
+ pctx = EVP_PKEY_CTX_new(pkey,NULL);
+ EVP_PKEY_sign_init(pctx);
+ if (EVP_PKEY_CTX_set_signature_md(pctx, EVP_sha1())>0)
+ {
+ s->method->ssl3_enc->cert_verify_mac(s,
+ NID_sha1,
+ &(data[MD5_DIGEST_LENGTH]));
+ }
+ else
+ {
+ ERR_clear_error();
+ }
#ifndef OPENSSL_NO_RSA
if (pkey->type == EVP_PKEY_RSA)
{
s->method->ssl3_enc->cert_verify_mac(s,
- &(s->s3->finish_dgst1),&(data[0]));
+ NID_md5,
+ &(data[0]));
if (RSA_sign(NID_md5_sha1, data,
MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
&(p[2]), &u, pkey->pkey.rsa) <= 0 )
if (!ECDSA_sign(pkey->save_type,
&(data[MD5_DIGEST_LENGTH]),
SHA_DIGEST_LENGTH,&(p[2]),
- (unsigned int *)&j,pkey->pkey.eckey))
+ (unsigned int *)&j,pkey->pkey.ec))
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,
ERR_R_ECDSA_LIB);
}
else
#endif
- {
+ if (pkey->type == NID_id_GostR3410_94 || pkey->type == NID_id_GostR3410_2001)
+ {
+ unsigned char signbuf[64];
+ int i;
+ size_t sigsize=64;
+ s->method->ssl3_enc->cert_verify_mac(s,
+ NID_id_GostR3411_94,
+ data);
+ if (EVP_PKEY_sign(pctx, signbuf, &sigsize, data, 32) <= 0) {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ for (i=63,j=0; i>=0; j++, i--) {
+ p[2+j]=signbuf[i];
+ }
+ s2n(j,p);
+ n=j+2;
+ }
+ else
+ {
SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,ERR_R_INTERNAL_ERROR);
goto err;
- }
+ }
*(d++)=SSL3_MT_CERTIFICATE_VERIFY;
l2n3(n,d);
+ s->state=SSL3_ST_CW_CERT_VRFY_B;
s->init_num=(int)n+4;
s->init_off=0;
}
+ EVP_PKEY_CTX_free(pctx);
return(ssl3_do_write(s,SSL3_RT_HANDSHAKE));
err:
+ EVP_PKEY_CTX_free(pctx);
return(-1);
}
-static int ssl3_send_client_certificate(SSL *s)
+int ssl3_send_client_certificate(SSL *s)
{
X509 *x509=NULL;
EVP_PKEY *pkey=NULL;
* ssl->rwstate=SSL_X509_LOOKUP; return(-1);
* We then get retied later */
i=0;
- if (s->ctx->client_cert_cb != NULL)
- i=s->ctx->client_cert_cb(s,&(x509),&(pkey));
+ i = ssl_do_client_cert_cb(s, &x509, &pkey);
if (i < 0)
{
s->rwstate=SSL_X509_LOOKUP;
#define has_bits(i,m) (((i)&(m)) == (m))
-static int ssl3_check_cert_and_algorithm(SSL *s)
+int ssl3_check_cert_and_algorithm(SSL *s)
{
int i,idx;
- long algs;
+ long alg_k,alg_a;
EVP_PKEY *pkey=NULL;
SESS_CERT *sc;
#ifndef OPENSSL_NO_RSA
DH *dh;
#endif
- sc=s->session->sess_cert;
+ alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
+ alg_a=s->s3->tmp.new_cipher->algorithm_auth;
+
+ /* we don't have a certificate */
+ if ((alg_a & (SSL_aDH|SSL_aNULL|SSL_aKRB5)) || (alg_k & SSL_kPSK))
+ return(1);
+ sc=s->session->sess_cert;
if (sc == NULL)
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,ERR_R_INTERNAL_ERROR);
goto err;
}
- algs=s->s3->tmp.new_cipher->algorithms;
-
- /* we don't have a certificate */
- if (algs & (SSL_aDH|SSL_aNULL|SSL_aKRB5))
- return(1);
-
#ifndef OPENSSL_NO_RSA
rsa=s->session->sess_cert->peer_rsa_tmp;
#endif
#ifndef OPENSSL_NO_ECDH
if (idx == SSL_PKEY_ECC)
{
- if (check_srvr_ecc_cert_and_alg(sc->peer_pkeys[idx].x509,
+ if (ssl_check_srvr_ecc_cert_and_alg(sc->peer_pkeys[idx].x509,
s->s3->tmp.new_cipher) == 0)
{ /* check failed */
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_BAD_ECC_CERT);
- goto f_err;
+ goto f_err;
}
else
{
/* Check that we have a certificate if we require one */
- if ((algs & SSL_aRSA) && !has_bits(i,EVP_PK_RSA|EVP_PKT_SIGN))
+ if ((alg_a & SSL_aRSA) && !has_bits(i,EVP_PK_RSA|EVP_PKT_SIGN))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_SIGNING_CERT);
goto f_err;
}
#ifndef OPENSSL_NO_DSA
- else if ((algs & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN))
+ else if ((alg_a & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DSA_SIGNING_CERT);
goto f_err;
}
#endif
#ifndef OPENSSL_NO_RSA
- if ((algs & SSL_kRSA) &&
+ if ((alg_k & SSL_kRSA) &&
!(has_bits(i,EVP_PK_RSA|EVP_PKT_ENC) || (rsa != NULL)))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_ENCRYPTING_CERT);
}
#endif
#ifndef OPENSSL_NO_DH
- if ((algs & SSL_kEDH) &&
+ if ((alg_k & SSL_kEDH) &&
!(has_bits(i,EVP_PK_DH|EVP_PKT_EXCH) || (dh != NULL)))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_KEY);
goto f_err;
}
- else if ((algs & SSL_kDHr) && !has_bits(i,EVP_PK_DH|EVP_PKS_RSA))
+ else if ((alg_k & SSL_kDHr) && !has_bits(i,EVP_PK_DH|EVP_PKS_RSA))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_RSA_CERT);
goto f_err;
}
#ifndef OPENSSL_NO_DSA
- else if ((algs & SSL_kDHd) && !has_bits(i,EVP_PK_DH|EVP_PKS_DSA))
+ else if ((alg_k & SSL_kDHd) && !has_bits(i,EVP_PK_DH|EVP_PKS_DSA))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_DSA_CERT);
goto f_err;
if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) && !has_bits(i,EVP_PKT_EXP))
{
#ifndef OPENSSL_NO_RSA
- if (algs & SSL_kRSA)
+ if (alg_k & SSL_kRSA)
{
if (rsa == NULL
- || RSA_size(rsa) > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
+ || RSA_size(rsa)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_EXPORT_TMP_RSA_KEY);
goto f_err;
else
#endif
#ifndef OPENSSL_NO_DH
- if (algs & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
+ if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
{
if (dh == NULL
- || DH_size(dh) > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
+ || DH_size(dh)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_EXPORT_TMP_DH_KEY);
goto f_err;
return(0);
}
+/* Check to see if handshake is full or resumed. Usually this is just a
+ * case of checking to see if a cache hit has occurred. In the case of
+ * session tickets we have to check the next message to be sure.
+ */
-#ifndef OPENSSL_NO_ECDH
-/* This is the complement of nid2curve_id in s3_srvr.c. */
-static int curve_id2nid(int curve_id)
-{
- /* ECC curves from draft-ietf-tls-ecc-01.txt (Mar 15, 2001) */
- static int nid_list[26] =
+#ifndef OPENSSL_NO_TLSEXT
+# ifndef OPENSSL_NO_NEXTPROTONEG
+int ssl3_send_next_proto(SSL *s)
{
- 0,
- NID_sect163k1, /* sect163k1 (1) */
- NID_sect163r1, /* sect163r1 (2) */
- NID_sect163r2, /* sect163r2 (3) */
- NID_sect193r1, /* sect193r1 (4) */
- NID_sect193r2, /* sect193r2 (5) */
- NID_sect233k1, /* sect233k1 (6) */
- NID_sect233r1, /* sect233r1 (7) */
- NID_sect239k1, /* sect239k1 (8) */
- NID_sect283k1, /* sect283k1 (9) */
- NID_sect283r1, /* sect283r1 (10) */
- NID_sect409k1, /* sect409k1 (11) */
- NID_sect409r1, /* sect409r1 (12) */
- NID_sect571k1, /* sect571k1 (13) */
- NID_sect571r1, /* sect571r1 (14) */
- NID_secp160k1, /* secp160k1 (15) */
- NID_secp160r1, /* secp160r1 (16) */
- NID_secp160r2, /* secp160r2 (17) */
- NID_secp192k1, /* secp192k1 (18) */
- NID_X9_62_prime192v1, /* secp192r1 (19) */
- NID_secp224k1, /* secp224k1 (20) */
- NID_secp224r1, /* secp224r1 (21) */
- NID_secp256k1, /* secp256k1 (22) */
- NID_X9_62_prime256v1, /* secp256r1 (23) */
- NID_secp384r1, /* secp384r1 (24) */
- NID_secp521r1 /* secp521r1 (25) */
- };
-
- if ((curve_id < 1) || (curve_id > 25)) return 0;
+ unsigned int len, padding_len;
+ unsigned char *d;
- return nid_list[curve_id];
-}
+ if (s->state == SSL3_ST_CW_NEXT_PROTO_A)
+ {
+ len = s->next_proto_negotiated_len;
+ padding_len = 32 - ((len + 2) % 32);
+ d = (unsigned char *)s->init_buf->data;
+ d[4] = len;
+ memcpy(d + 5, s->next_proto_negotiated, len);
+ d[5 + len] = padding_len;
+ memset(d + 6 + len, 0, padding_len);
+ *(d++)=SSL3_MT_NEXT_PROTO;
+ l2n3(2 + len + padding_len, d);
+ s->state = SSL3_ST_CW_NEXT_PROTO_B;
+ s->init_num = 4 + 2 + len + padding_len;
+ s->init_off = 0;
+ }
+
+ return ssl3_do_write(s, SSL3_RT_HANDSHAKE);
+ }
+# endif
+
+int ssl3_check_finished(SSL *s)
+ {
+ int ok;
+ long n;
+ /* If we have no ticket it cannot be a resumed session. */
+ if (!s->session->tlsext_tick)
+ return 1;
+ /* this function is called when we really expect a Certificate
+ * message, so permit appropriate message length */
+ n=s->method->ssl_get_message(s,
+ SSL3_ST_CR_CERT_A,
+ SSL3_ST_CR_CERT_B,
+ -1,
+ s->max_cert_list,
+ &ok);
+ if (!ok) return((int)n);
+ s->s3->tmp.reuse_message = 1;
+ if ((s->s3->tmp.message_type == SSL3_MT_FINISHED)
+ || (s->s3->tmp.message_type == SSL3_MT_NEWSESSION_TICKET))
+ return 2;
+
+ return 1;
+ }
#endif
+
+int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey)
+ {
+ int i = 0;
+#ifndef OPENSSL_NO_ENGINE
+ if (s->ctx->client_cert_engine)
+ {
+ i = ENGINE_load_ssl_client_cert(s->ctx->client_cert_engine, s,
+ SSL_get_client_CA_list(s),
+ px509, ppkey, NULL, NULL, NULL);
+ if (i != 0)
+ return i;
+ }
+#endif
+ if (s->ctx->client_cert_cb)
+ i = s->ctx->client_cert_cb(s,px509,ppkey);
+ return i;
+ }
projects / openssl.git / blobdiff